 * {
     padding: 0;
     margin: 0;
     box-sizing: border-box;
 }

 ul {
     list-style: none;

 }

 .content {
     padding-left: 20px;
     padding-right: 20px;
 }

 .head {
     display: flex;
     height: 330px;
     margin-top: 30px;
     background-color: #ffffff;
     padding-top: 30px;
     padding-left: 30px;
     padding-right: 30px;
 }

 #tu {
     font-size: 60px;
     color: #8a6fc1;
 }

 .head_l {
     margin-right: 30%;
 }

 .head_m {
     display: flex;
     margin-top: 10px;
     justify-content: space-around;
 }

 .head_m_l,
 .head_m_r {
     display: flex;
     flex-direction: column;
     justify-content: space-around;
     width: 40%;
 }

 .head_m_l {
     margin-right: 180px;
 }

 .head_m_l span,
 .head_m_r span {
     margin-bottom: 15px;
 }

 .head_f {
     display: flex;
     width: 400px;
     justify-content: space-between;
     margin-top: 20px;
 }

 .head_f li {
     cursor: pointer;
     padding-bottom: 10px;
 }

 .head_f li:hover {
     color: #8a6fc1;
 }

 .xiahuaxian {
     border-bottom: 2px solid #a68fda;
 }

 .head_r {
     height: 250px;
     display: flex;
     flex-wrap: wrap;
     justify-content: space-around;
     align-content: space-around;
 }

 .head_r .jing {
     width: 180px;
     height: 110px;
     border: 1px solid #b6adc9;
     border-radius: 5px;
     display: flex;
     flex-direction: column;
     justify-content: space-around;
     padding-left: 30px;
 }

 .huaxian {
     width: 130px;
     height: 10px;
     border: 1px solid #b6adc9;
     border-radius: 5px;

 }

 .huaxian span {
     display: block;
     width: 80px;
     height: 10px;
     border-radius: 5px;
     background-color: #cbb7f5;

 }

 .middle,
 .footer {
     width: 100%;
     height: 500px;
     background-color: #ffffff;
     margin-top: 30px;

 }

 .footer_f {
    display: flex;
    justify-content: space-between;
    width: 100%;
    height: 500px;
     margin-top: 30px;

 }

 .footer_f_l  ,.footer_f_r{
     width: 50%;
     height: 500px;
     background-color: #ffffff;

 }